Home / 61,361.54-84,677.46-40,140.35

Finding the Fourth Proportional to 61,361.54, 84,677.46 and 40,140.35

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Solution

The fourth proportional to 61,361.54, 84,677.46 and 40,140.35 is: 55,392.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,361.54 : 84,677.46 = 40,140.35 : x
  2. Step 2: Convert to fraction form
    61,361.54/84,677.46 = 40,140.35/x
  3. Step 3: Cross multiply
    61,361.54x = 84,677.46 × 40,140.35
  4. Step 4: Simplify right side
    61,361.54x = 3,398,982,881.51
  5. Step 5: Solve for x
    x = 3,398,982,881.51/61,361.54
  6. Step 6: Final answer
    x = 55,392.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.